Fix pin icon un-allignment on direct share row

Bug: 210453009
Test: manual test on local phone
Change-Id: I77feb91b4678d9bd3f0d41afa5fa1ca9a6c2dd43

core/res/res/drawable/chooser_pinned_background.xml

@@ -17,7 +17,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@drawable/ic_chooser_pin"
-          android:gravity="start|center_vertical"
+          android:gravity="start|top"
+          android:top="4dp"
           android:width="12dp"
           android:height="12dp"
           android:start="0dp"